Overv/Open.GL — pull request #10 by 1ace (2014-01-09 22:25:59+00:00)
Title: Replaced `arrow.png` with a CSS triangle

As usual, you can see a preview of the modification on [my mirror](http://gl.engestrom.ch/).
*I tried to replicate the image to the pixel, I hope you appreciate the effort; took me all of 10 min xD*